Sir William De Ros
William was born about 1244 in Ingmanthorpe, England.  He died before May 28th, 1310.  He was buried in Church of Grey Friars, Yorkshire, England.

 Eustache FitzHugh
Eustache was born about 1244 in Greasley, Northamptonshire, England.  She died before 1310 in Grey Friars, Yorkshire, England.

 Lucy (Roos) De Ros
Lucy (Roos) was born in 1270 in Plumpton, Yorkshire, England.  She died at the age of 55 in 1325.

 Ivetta De Ros
Ivetta was born about 1290 in Igmanthorpe, Yorkshire, England.  She died before 1331.  She was buried in Coverham Abbey, Yorkshire, England.